Fundamental
来自Big Physics
late Middle English: from French fondamental, or late Latin fundamentalis, from Latin fundamentum, from fundare ‘to found’.
wiktionary
From Late Latin fundamentālis, from Latin fundamentum(“foundation”), from fundō(“to lay the foundation (of something), to found”), from fundus(“bottom”), from Proto-Indo-European *bʰudʰmḗn.
etymonline
fundamental (adj.)
mid-15c., "primary, original, pertaining to a foundation," modeled on Late Latin fundamentalis "of the foundation," from Latin fundamentum "foundation" (see fundament). In music (1732) it refers to the lowest note of a chord. Fundamentals (n.) "primary principles or rules" of anything is from 1630s.
